Analysis
- max time kernel
158s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
24/02/2022, 09:17
General
- Target rro4665321.exe
- Size 313KB
- Sample220224-k82gjacfa5
- SHA256 29a5f9fd724757b3aa01833c68f87efdb8e191e363032391ec895a1d87dcb178
Malware Config
Extracted
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formbook
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4.1
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r1e3
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floorwaves.com
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leshigou.top
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2y3jq.com
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karobazaar.com
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cookdd9.com
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xn--9kqu10bhqv.top
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hollieforson.com
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peachso.com
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gerberry.info
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abslikepro.com
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lesourire-official.com
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dfhgxi.icu
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lightofcg.com
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hismozart.com
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nieuwemaniervanleven.com
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trimble-gs-112-cable-reel.com
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putacandleinit.com
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gopenly.xyz
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northcountyneuropsychology.com
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thekittyherbalist.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\rro4665321.exe"C:\Users\Admin\AppData\Local\Temp\rro4665321.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\lpdnk.exeC:\Users\Admin\AppData\Local\Temp\lpdnk.exe C:\Users\Admin\AppData\Local\Temp\qzdexdk3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\lpdnk.exeC:\Users\Admin\AppData\Local\Temp\lpdnk.exe C:\Users\Admin\AppData\Local\Temp\qzdexdk4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\mstsc.exe"C:\Windows\SysWOW64\mstsc.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\lpdnk.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2620-140-0x0000000008E10000-0x0000000008F6C000-memory.dmp
memory/2620-145-0x00000000090C0000-0x00000000091F1000-memory.dmp
memory/4608-141-0x0000000000190000-0x00000000002CA000-memory.dmp
memory/4608-142-0x0000000000C40000-0x0000000000C6F000-memory.dmp
memory/4608-143-0x0000000002BD0000-0x0000000002F1A000-memory.dmp
memory/4608-144-0x0000000002A00000-0x0000000002A93000-memory.dmp
memory/4800-136-0x0000000000B50000-0x0000000000E9A000-memory.dmp
memory/4800-138-0x000000000041F000-0x0000000000420000-memory.dmp
memory/4800-139-0x00000000006D0000-0x00000000006E4000-memory.dmp
memory/4800-134-0x0000000000400000-0x000000000042F000-memory.dmp